
start();
//有点复杂，先不弄了
function start(){

    var content_left = document.getElementById("content_left");

    var divs = content_left.getElementsByTagName("div");

    for ( var i = 0 ; i< divs.length; i++){

        var per = divs[i];
        if ( per.class != "result c-container " ){

            content_left.removeChild(per);
        }

    }

}